in your jmeter.properties file, check if you have #beanshell.function.init=BeanShellFunction.bshrc enabled.
in order to use beanshell, download the jar file from http://www.beanshell.org/bsh-2.0b4.jar and put it in jmeter's lib-directory. put >> ${__BeanShell(generateRandomString(20))} in your sampler, wherever you need your random string. i guess you want to use it as a parameter value. for more info, read http://jakarta.apache.org/jmeter/usermanual/functions.html#__BeanShell. //chris --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]